*{
    padding: 0;
    margin: 0;
}
.vfx_container{
    position: fixed;
    left: 0;
    width: 100%;
    top: 0;
    z-index: 999;
}
.start_web{
    position: fixed;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 250px;
    font-weight: bold;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    border-radius: 10px;
    height: 60px;
    line-height: 50px;
    text-align: center;
    bottom: 100px;
    z-index: 9999;
    border: 3px solid #fff;
    padding: 0;
    padding-right: 20px;
    &:after{
        position: absolute;
        top: 17px;
        right: 10px;
        content: '';
        width: 0;
        height: 0;
        display: block;
        border: 10px solid rgba(255, 255, 255, 0);
        border-left-color: #fff;
    }
}
.start_web .go{
    margin-right: 10px;
}
.main_title{
    font-weight: bold;
}
.bright{
    animation: bright 1s ease-in forwards;
}
@keyframes bright{
    0%{
        filter: invert(20%) sepia(100%) brightness(200%);
    }
    100%{
        filter : invert(0%) sepia(0%) brightness(100%);
    }
}
.bright.hide{
    animation: bright_hide 1s ease-in forwards;
}
@keyframes bright_hide{
    0%{
        filter : invert(0%) sepia(0%) brightness(100%);
    }
    100%{
        display: none;
        filter: invert(20%) sepia(100%) brightness(200%);
    }
}
.opacity.hide{
    animation: opcity_hide 0.7s ease-in forwards;
}
@keyframes opcity_hide{
    0%{
        opacity: 1;
        transform: translateY(0);
    }
    100%{
        display: none;
        opacity: 0;
        transform: translateY(-100px);
    }
}
/* 特效甲 start */
.vfx_jia{
    height: 100vh;
    overflow: hidden;
    position: relative;
    .main_img{
        width: 100%;
        height: 100vh;
    }
    .main_title{
        position: absolute;
        left: 400px;
        top: 400px;
        font-size: 80px;
        color: #fff;
    }
    .light{
        z-index: 2;
        position: absolute;
        bottom: 0;
        background: rgba(255, 192, 203, 0.61);
        filter: blur(100px);
        width: 100%;
        height: 100vh;
        border-radius: 30%;
        animation: light_jia 3s ease-in-out forwards;
        animation-fill-mode: forwards;
    }
    .mask{
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 100vh;

        mask-image: url('/static/vfx/mask_jia.png');
        -webkit-mask-image: url('/static/vfx/mask_jia.png');
        mask-size: 400px 400px;
        -webkit-mask-size: 400px 400px;
        -webkit-mask-repeat: no-repeat;
        mask-position: left bottom;

        animation: mask_jia 3s ease-in-out forwards;
        animation-fill-mode: forwards;
        .content{
            filter: grayscale(100%) blur(2px);
            background-image: url('/static/vfx/bg.jpg');
            background-size: 100% 100vh;
            background-repeat: no-repeat;
            background-position-x: -20px;
            background-position-y: 20px;
            width: 100%;
            height: 100vh;
            overflow: hidden;
            position: relative;
        }
    }
}
@keyframes light_jia {
    0% {
        width: 100%;
        height: 100vh;
    }
    100% {
        width: 0;
        height: 0;
    }
}
@keyframes mask_jia {
    0% {
        mask-size: 1600px 1600px;
        -webkit-mask-size: 1600px 1600px;
    }
    100% {
        mask-size: 600px 600px;
        -webkit-mask-size: 600px 600px;
    }
}
@media (orientation: portrait) {
    .vfx_jia{
        .main_title{
            left: 0;
            right: 0;
            top: 300px;
            width: 300px;
            margin: 0 auto;
            font-size: 50px;
        }
    }
}
/* 特效甲 end */

/* 特效乙 start */

.vfx_yi{
    display: none;
    height: 100vh;
    overflow: hidden;
    position: relative;
    .main_img{
        width: 100%;
        height: 100vh;
    }
    .main_title{
        position: absolute;
        right: 250px;
        top: 400px;
        font-size: 80px;
        color: #fff;
        &:after{
            content: '';
            display: block;
            background: yellow;
            height: 4px;
            position: relative;
            left: 0;
            animation: title_yi 2s ease-in-out forwards;
        }

    }
    .light{
        z-index: 2;
        position: absolute;
        bottom: 0;
        background: rgba(142, 195, 255, 0.22);
        filter: blur(100px);
        width: 100%;
        height: 100vh;
        border-radius: 30%;
        animation: light_yi_blue 5s ease-in-out forwards;
        animation-fill-mode: forwards;
    }
    .light_yi_green{
        z-index: 2;
        position: absolute;
        bottom: 0;
        background: rgba(186, 255, 190, 0.25);
        filter: blur(100px);
        border-radius: 30%;
        animation: light_yi_green 4s ease-in-out forwards;
        animation-fill-mode: forwards;
    }
    .mask{
        position: absolute;
        bottom: 0;
        width: 100%;
        height: 100vh;

        mask-image: url('/static/vfx/mask_yi_zi.png');
        -webkit-mask-image: url('/static/vfx/mask_yi_zi.png');
        mask-size: calc(100vh - 300px) 100vh;
        /*-webkit-mask-size: 100vh 100vh;*/
        -webkit-mask-repeat: no-repeat;
        mask-position: bottom right;

        animation: mask_yi_zi 5s ease-in-out forwards;
        animation-fill-mode: forwards;
        .content{
            filter: grayscale(100%) blur(2px);
            background-image: url('/static/vfx/bg.jpg');
            background-size: 100% 100vh;
            background-repeat: no-repeat;
            background-position-x: 20px;
            /*background-position-y: -20px;*/
            width: 100%;
            height: 100vh;
            overflow: hidden;
            position: relative;
            animation: mask_yi_zi_content 5s ease-in-out forwards;
            animation-fill-mode: forwards;
        }
    }

    .mask_chou{
        z-index: 1;
        mask-image: url('/static/vfx/mask_yi_chou.png');
        animation: mask_yi_chou 5s ease-in-out forwards;
        animation-fill-mode: forwards;
        /*animation: unset;*/
        background-position-x: 0;
        .content{
            filter: grayscale(100%) blur(1px);
            animation: mask_yi_chou_content 5s ease-in-out forwards;
            animation-fill-mode: forwards;
            /*animation: unset;*/
        }
    }
}
@keyframes light_yi_blue {
    0% {
        width: 70%;
        height: 70vh;
    }
    30% {
        width: 100%;
        height: 100vh;
    }
    100% {
        width: 0;
        height: 0;
    }
}
@keyframes light_yi_green {
    0% {
        width: 20%;
        height: 20vh;
    }
    30% {
        width: 50%;
        height: 50vh;
    }
    100% {
        width: 0;
        height: 0;
    }
}

@keyframes mask_yi_zi {
    0% {
        right: 100px;
    }
    100% {
        right: 0;
    }
}
@keyframes mask_yi_zi_content {
    0% {
        right: -100px;
    }
    100% {
        right: 0;
    }
}

@keyframes mask_yi_chou {
    0% {
        right: 100px;
    }
    100% {
        right: 200px;
    }
}
@keyframes mask_yi_chou_content {
    0% {
        right: -100px;
    }
    100% {
        right: -200px;
    }
}
@keyframes title_yi {
    0% {
        left: 0;
        width: 30px;
    }
    50% {
        width: 30px;
    }
    100% {
        left: 100%;
        width: 0;
    }
}
@media (orientation: portrait) {
    .vfx_yi{
        .main_title{
            left: 0;
            right: 0;
            top: 300px;
            width: 300px;
            margin: 0 auto;
            font-size: 50px;
        }
    }
}

/* 特效乙 end */


/* 特效丙 start */
.vfx_bing{
    display: none;
    height: 100vh;
    overflow: hidden;
    position: relative;
    .main_img{
        width: 100%;
        height: 100vh;
    }
    .main_title{
        position: absolute;
        left: 400px;
        top: 400px;
        font-size: 80px;
        color: #fff;
    }
    .main_title_bing{
        &:before{
            content: '';
            display: block;
            height: 80px;
            width: 200px;
            position: absolute;
            background: yellow;
            left: 0;
            top: 25px;
            z-index: -1;
            animation: title_bing 3s ease-in-out forwards;
        }
        &:after{
            content: '';
            display: block;
            background: yellow;
            width: 30px;
            height: 4px;
            top: 60px;
            position: absolute;
            right: 0;
            animation: title_bing_after 2s linear forwards;
        }
    }
    .light{
        z-index: 2;
        position: absolute;
        bottom: 0;
        background: rgba(255, 192, 203, 0.61);
        filter: blur(100px);
        width: 100%;
        height: 100vh;
        border-radius: 30%;
        animation: light_bing 3s ease-in-out forwards;
        animation-fill-mode: forwards;
    }
    .mask{
        position: absolute;
        left: 500px;
        bottom: 0;
        width: 100%;
        height: 100vh;

        mask-image: url('/static/vfx/mask_bing.png');
        -webkit-mask-image: url('/static/vfx/mask_bing.png');
        mask-size: 600px 100vh;
        -webkit-mask-repeat: no-repeat;
        mask-position: left bottom;

        animation: mask_bing_zi 3s ease-in-out forwards;
        animation-fill-mode: forwards;
        .content{
            filter: grayscale(100%) blur(2px);
            background-image: url('/static/vfx/bg.jpg');
            background-size: 100% 100vh;
            background-repeat: no-repeat;
            background-position-x: -20px;
            width: 100%;
            height: 100vh;
            overflow: hidden;
            position: relative;
            animation: mask_bing_zi_content 3s ease-in-out forwards;
            animation-fill-mode: forwards;
        }
    }
    .mask_chou{
        left: unset;
        right: 0;
        width: 100vh;
        height: 100vh;
        animation: mask_bing_chou 2s ease-out forwards;
        animation-fill-mode: forwards;
        mask-image: url('/static/vfx/mask_bing_chou.png');
        mask-size: 100vh 100vh;
        mask-position: right bottom;
        z-index: 1;
        .content{
            background: #707070;
            animation: unset;
        }
    }
    .mask_yin{
        width: 100vw;
        height: 100vh;
        left: unset;
        right: 0;
        mask-image: url('/static/vfx/mask_bing_chou.png');
        mask-size: 100vw 100vh;
        mask-position: right bottom;
        animation: mask_bing_yin 3s ease-out forwards;
        animation-fill-mode: forwards;
        background-position-x: 0;
        .content{
            width: 100vw;
            background-size: 100vw 100vh;
            background-position-x: 0;

            animation: mask_bing_yin_content 3s ease-out forwards;
            animation-fill-mode: forwards;
        }
    }
}
@keyframes light_bing {
    0% {
        width: 100%;
        height: 100vh;
    }
    100% {
        width: 0;
        height: 0;
    }
}
@keyframes mask_bing_zi {
    0% {
        left: 500px;
    }
    100% {
        left: 0;
    }
}
@keyframes mask_bing_zi_content {
    0% {
        left: -500px;
    }
    100% {
        left: 0;
    }
}

@keyframes mask_bing_chou {
    0% {
        right: 0;
    }
    100% {
        right: -100vh
    }
}

@keyframes mask_bing_yin {
    0% {
        right: 0;
    }
    100% {
        right: -100vw;
    }
}
@keyframes mask_bing_yin_content {
    0% {
        left: 0;
    }
    100% {
        left: -100vw;
    }
}

@keyframes title_bing {
    0% {
        left: 0;
        width: 200px;
    }
    100% {
        left: 300px;
        width: 0;
    }
}
@keyframes title_bing_after {
    0% {
        right: 0;
    }
    90%{
        right: 90%;
        width: 30px;
    }
    100% {
        right: 100%;
        width: 0;
    }
}
@media (orientation: portrait) {
    .vfx_bing{
        .main_title{
            left: 0;
            right: 0;
            top: 300px;
            width: 300px;
            margin: 0 auto;
            font-size: 50px;
        }
    }
}
/* 特效丙 end */

/* 特效丁 start */
.vfx_ding{
    display: none;
    height: 100vh;
    overflow: hidden;
    position: relative;
    .main_img{
        width: 100%;
        height: 100vh;
    }
    .main_title{
        position: absolute;
        left: 400px;
        top: 400px;
        font-size: 80px;
        color: #fff;
        background: #ffd66b;
        padding: 0 20px;
        box-shadow: 25px 25px 0 #fff;
        animation: title_ding 4s linear infinite;
    }
    .light{
        z-index: 2;
        position: absolute;
        bottom: 0;
        background: rgba(255, 192, 203, 0.61);
        filter: blur(100px);
        width: 100%;
        height: 100vh;
        border-radius: 30%;
        animation: light_bing 3s ease-in-out forwards;
        animation-fill-mode: forwards;
    }
    .mask_zi{
        position: absolute;
        left: unset;
        bottom: 0;
        width: 100vw;
        height: 100vh;

        mask-image: url('/static/vfx/mask_ding.png');
        -webkit-mask-image: url('/static/vfx/mask_ding.png');
        mask-size: 100vw 50vh;
        -webkit-mask-repeat: no-repeat;
        mask-position: left bottom;

        animation: mask_ding_zi 3s ease-in-out forwards;
        animation-fill-mode: forwards;
        .content{
            filter: grayscale(100%) blur(2px);
            background-image: url('/static/vfx/bg.jpg');
            background-size: 100% 100vh;
            background-repeat: no-repeat;
            background-position-x: 20px;
            width: 100vw;
            height: 100vh;
            overflow: hidden;
            position: relative;
            animation: mask_ding_zi_content 3s ease-in-out forwards;
            animation-fill-mode: forwards;
        }
    }
    .mask_chou{
        position: absolute;
        left: unset;
        bottom: 0;
        width: 100vw;
        height: 100vh;

        mask-image: url('/static/vfx/mask_ding_chou.png');
        -webkit-mask-image: url('/static/vfx/mask_ding_chou.png');
        mask-size: 100vw 50vh;
        -webkit-mask-repeat: no-repeat;
        mask-position: left bottom;

        animation: mask_ding_chou 3s ease-in-out forwards;
        animation-fill-mode: forwards;
        .content{
            filter: grayscale(100%) blur(2px);
            background-image: url('/static/vfx/bg.jpg');
            background-size: 100% 100vh;
            background-repeat: no-repeat;
            background-position-x: 0px;
            width: 100vw;
            height: 100vh;
            overflow: hidden;
            position: relative;
            animation: mask_ding_chou_content 3s ease-in-out forwards;
            animation-fill-mode: forwards;
        }
    }

    .mask_yin{
        position: absolute;
        left: unset;
        top:0;
        width: 100vw;
        height: 100vh;

        mask-image: url('/static/vfx/mask_ding_yin.png');
        -webkit-mask-image: url('/static/vfx/mask_ding_yin.png');
        mask-size: 100vw 50vh;
        -webkit-mask-repeat: no-repeat;
        mask-position: left top;

        animation: mask_ding_yin 3s ease-in-out forwards;
        animation-fill-mode: forwards;
        .content{
            filter: grayscale(100%) blur(2px);
            background-image: url('/static/vfx/bg.jpg');
            background-size: 100vw 100vh;
            background-repeat: no-repeat;
            background-position-x: 20px;
            width: 100vw;
            height: 100vh;
            overflow: hidden;
            position: relative;
            animation: mask_ding_yin_content 3s ease-in-out forwards;
            animation-fill-mode: forwards;
        }
    }
}

@keyframes title_ding {
    0% {
        box-shadow: 25px 25px 0 #fff;
    }
    50% {
        box-shadow: 30px 25px 0 #fff;
    }
    100% {
        box-shadow: 25px 25px 0 #fff;
    }
}
@keyframes mask_ding_zi {
    0% {
        bottom: 0;
        right: 0;
    }
    100% {
        bottom: -100px;
        right: -100px;
    }
}
@keyframes mask_ding_zi_content {
    0% {
        top: 0;
        left: 0;
    }
    100% {
        top: -100px;
        left: -100px;
    }
}
@keyframes mask_ding_chou {
    0% {
        bottom: -100px;
        right: -100px;
    }
    100% {
        bottom: 0;
        right: 0;
    }
}
@keyframes mask_ding_chou_content {
    0% {
        top: -100px;
        left: -100px;
    }
    100% {
        top: 0;
        left: 0;
    }
}

@keyframes mask_ding_yin {
    0% {
        top: 0;
        left: 0;
    }
    100% {
        top: -100px;
        left: -100px;
    }
}
@keyframes mask_ding_yin_content {
    0% {
        top: 0;
        left: 0;
    }
    100% {
        top: 100px;
        left: 100px;
    }
}
@media (orientation: portrait) {
    .vfx_ding{
        .main_title{
            left: 0;
            right: 0;
            top: 300px;
            width: 300px;
            margin: 0 auto;
            font-size: 50px;
        }
    }
}
/* 特效丁 end */


/* 过场动画 start */
.through_zi{
    position: absolute;
    left: 0;
    top: 0;
    z-index: 3;
    width: 100vw;
    height: 100vh;
    .through_zi_mask{
        display: block;
        width: 100vw;
        height: 100vh;
        position: absolute;
        right: 0;
        top:0;
        background: #000;
        clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
        animation: through_zi_mask 2s ease-out forwards;
        background-image: linear-gradient(#ab4524,#15253c, #15253c);
    }
}
@keyframes through_zi_mask {
    0% {
        width: 125vw;
    }
    100% {
        width: 0;
    }
}

.through_chou{
    position: absolute;
    left: 0;
    top: 0;
    z-index: 3;
    width: 100vw;
    height: 100vh;
    .through_chou_mask{
        display: block;
        width: 100vw;
        height: 100vh;
        position: absolute;
        left: 0;
        top:0;
        background: #000;
        clip-path: polygon(0% 0%, 80% 0%, 100% 100%, 0% 100%);
        animation: through_chou_mask 2s ease-out forwards;
        background-image: linear-gradient(#ab4524,#15253c, #15253c);
    }
}
@keyframes through_chou_mask {
    0% {
        width: 125vw;
    }
    100% {
        width: 0;
    }
}
/* 过场动画 end */